MATHEMATICS 5 1ST QUARTER REVIEWER

Which of the following is divisible by 2 and 4?

• 18

• 20

• 22

• 26

Which of the following is divisible by 3 and 9?

• 18

• 20

• 22

• 26

What number(s) will make 1, 75__ divisible by 2? Select ALL.

• 0

• 1

• 2

• 4

What number will make 24, 56__ a multiple of 3?

• 0

• 1

• 2

• 3

What is the GCF of 25 and 30?

• 2

• 3

• 4

• 5

Answer explanation

5 | 25 30

5 6

GCF = 5

What is the LCM of 15 and 30?

• 15

• 30

• 45

• 60

Answer explanation

5 | 15 30

3 | 3 6

1 2

5 x 3 x 1 x 2 = 30

There are 250 flights a day in an airport. 7/10 of the flights are international. How many of the flights are international?

• 172

• 175

• 176

• 178

Answer explanation

250 x 7/10 = 1,750/10 = 175

The school bus service is only offered to grade 1 and 2 students. 5/6 of the total number of students are in grades 1 and 2. 4/7 of the grades 1 and 2 take the school bus to school. What fraction of all students take the school bus to school?

• 5/6 + 4/7

• 5/6 - 4/7

• 5/6 x 4/7

• 5/6 divided by 4/7

To make sure the machines in the factory run smoothly, the mechanics need to add 1/5 liter of oil to the machine every Monday. One Monday, a mechanic find 12 liters of oil in the storage. How many machines can it cater? 

• 60

• 62

• 65

• 68

Answer explanation

12 ÷ 1/5

12 x 5/1 (or simply 5) = 60

Which of the following is/are divisible by 2? Select ALL THAT APPLY.

• 381

• 2,767

• 30,144

• 75, 356

• 287,410